4,472.8 kWh · 2,236.4 kW · Lithium Iron Phosphate
WL1E1447M05P: 4,472.8 kWh nameplate energy; 2,236.4 kW continuous; lithium iron phosphate.
4,472.8 kWh nameplate, per the California Energy Commission list.
Yes — the CEC list shows UL 9540 certification (certified by tuv rheinland of north america).